Updated: June 30, 2023

Introduction

Heart plants, also known as Hoya kerrii or sweetheart plants, are popular houseplants known for their heart-shaped leaves. These plants are relatively low-maintenance and can thrive in a variety of conditions. However, like all plants, heart plants require proper watering to stay healthy and vibrant. In this article, we will explore how to tell if your heart plant needs watering and provide helpful tips to ensure its optimal growth.

Understanding Heart Plant Watering Needs

Before we dive into the signs that indicate when your heart plant needs watering, it’s essential to understand its watering needs. Heart plants are native to tropical regions and prefer moist but well-draining soil. Overwatering can lead to root rot and other diseases, while under-watering can cause the leaves to wilt and dry out.

The frequency of watering depends on various factors such as the size of the plant, pot size, humidity levels, and environmental conditions. As a general guideline, it is recommended to water heart plants every 7-10 days during the growing season (spring and summer) and reduce the frequency during the dormant period (fall and winter).

Signs Your Heart Plant Needs Watering

  1. Wilting Leaves: One of the most noticeable signs that your heart plant needs water is wilting leaves. When the soil becomes too dry, the leaves will start to droop and lose their turgidity. However, it’s important not to mistake wilting leaves for overwatering. Overwatered heart plants may also exhibit wilting leaves, but in this case, the leaves will appear mushy or limp.

  2. Dry Soil: Checking the moisture level of the soil is crucial in determining whether your heart plant needs watering. Insert your finger about an inch into the soil; if it feels dry at this depth, it’s time to water your plant. However, if the soil feels slightly moist, it indicates that the plant is adequately hydrated.

  3. Yellowing Leaves: Another sign of under-watering in heart plants is yellowing leaves. When a heart plant lacks water, it will prioritize water distribution to the essential parts, such as the roots and stems. As a result, the older leaves will turn yellow and eventually drop off. If you notice yellowing leaves at the bottom of your heart plant, consider increasing your watering frequency.

  4. Crispy Leaf Edges: In addition to yellowing leaves, under-watered heart plants may also exhibit crispy or brown leaf edges. When there is not enough moisture in the soil, the plant cannot obtain sufficient water to transport to its leaves. As a result, the leaf edges may dry out and become brittle.

  5. Stunted Growth: If your heart plant is not receiving enough water, it may exhibit stunted growth. The lack of water restricts nutrient absorption, hindering the plant’s overall development. If you notice that your plant is not growing as expected or its new leaves are smaller than usual, it’s a clear indication that it needs more water.

Tips for Watering Heart Plants

Now that we have discussed the signs that indicate when your heart plant needs watering let’s delve into some useful tips to ensure proper watering:

  1. Use Well-Draining Soil: Heart plants thrive in well-draining soil that allows excess water to flow out easily. When potting or repotting your heart plant, make sure to use a well-draining potting mix that contains perlite or sand to improve drainage.

  2. Water Thoroughly: When watering your heart plant, ensure that you thoroughly soak the soil until water starts draining from the bottom of the pot. This helps ensure that all parts of the root system receive adequate moisture.

  3. Avoid Overwatering: Overwatering is one of the most common mistakes made when caring for heart plants. To prevent overwatering, wait for the top inch of soil to dry out before watering again. It’s better to underwater than to overwater, as heart plants are more tolerant of drought than excessive moisture.

  4. Consider the Season: Adjust your watering frequency based on the season and environmental conditions. Heart plants require less water during the dormant period, as they experience slower growth. During the active growing season, monitor the soil moisture more frequently and water accordingly.

  5. Observe Your Plant: Each heart plant is unique, and its watering needs may vary slightly. Take the time to observe your plant’s response to watering and adjust your routine accordingly. This will help you establish a watering schedule that suits your specific heart plant’s needs.

Conclusion

Proper watering is essential for maintaining the health and beauty of your heart plant. By being attentive to the signs that indicate when your plant needs watering and following the tips mentioned in this article, you can ensure optimal growth and longevity for your heart plant. Remember, a well-hydrated heart plant will reward you with lush, vibrant foliage and bring a touch of love and warmth to your indoor space.